EP0952358A3 - Schlauchbruch- Steuerventilaggregat - Google Patents

Schlauchbruch- Steuerventilaggregat Download PDF

Info

Publication number
EP0952358A3
EP0952358A3 EP19990201251 EP99201251A EP0952358A3 EP 0952358 A3 EP0952358 A3 EP 0952358A3 EP 19990201251 EP19990201251 EP 19990201251 EP 99201251 A EP99201251 A EP 99201251A EP 0952358 A3 EP0952358 A3 EP 0952358A3
Authority
EP
European Patent Office
Prior art keywords
valve
input
control valve
valve unit
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19990201251
Other languages
English (en)
French (fr)
Other versions
EP0952358A2 (de
EP0952358B1 (de
Inventor
Tarou Takahashi
Genroku Sugiyama
Tsukasa Toyooka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP0952358A2 publication Critical patent/EP0952358A2/de
Publication of EP0952358A3 publication Critical patent/EP0952358A3/de
Application granted granted Critical
Publication of EP0952358B1 publication Critical patent/EP0952358B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
EP19990201251 1998-04-21 1999-04-20 Schlauchbruch- Steuerventilaggregat Expired - Lifetime EP0952358B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11077698A JP3685923B2 (ja) 1998-04-21 1998-04-21 配管破断制御弁装置
JP11077698 1998-04-21

Publications (3)

Publication Number Publication Date
EP0952358A2 EP0952358A2 (de) 1999-10-27
EP0952358A3 true EP0952358A3 (de) 2000-04-05
EP0952358B1 EP0952358B1 (de) 2006-06-14

Family

ID=14544323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990201251 Expired - Lifetime EP0952358B1 (de) 1998-04-21 1999-04-20 Schlauchbruch- Steuerventilaggregat

Country Status (6)

Country Link
US (1) US6241212B1 (de)
EP (1) EP0952358B1 (de)
JP (1) JP3685923B2 (de)
KR (1) KR100294267B1 (de)
CN (1) CN1094180C (de)
DE (1) DE69931839T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001029430A1 (fr) * 1999-10-20 2001-04-26 Hitachi Construction Machinery Co., Ltd. Appareil de vanne de commande a rupture de conduit
JP3727828B2 (ja) 2000-05-19 2005-12-21 日立建機株式会社 配管破断制御弁装置
JP3915622B2 (ja) * 2002-07-30 2007-05-16 コベルコ建機株式会社 油圧アクチュエータ回路の負荷保持装置
US6755625B2 (en) * 2002-10-07 2004-06-29 Robert H. Breeden Inlet throttle valve
AU2003900508A0 (en) * 2003-02-06 2003-02-20 Hill, Dianna Adele Improved mains pressure flusher valve
US7409825B2 (en) * 2006-08-02 2008-08-12 Husco International, Inc. Hydraulic system with a cylinder isolation valve
EP1895168B1 (de) * 2006-09-01 2009-05-06 Parker Hannifin Aktiebolag Ventilanordnung
KR100974273B1 (ko) * 2007-09-14 2010-08-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유량 제어장치
DE102009014072B4 (de) * 2009-03-20 2014-09-25 Continental Automotive Gmbh Common-Rail-Einspritzsystem sowie Verfahren zur Druckentlastung eines Common-Rail-Einspritzsystems
SE534272C2 (sv) * 2009-06-18 2011-06-28 Kurt Palmloef Säkerhetsventil
US9371963B2 (en) * 2009-11-06 2016-06-21 Baier And Koeppel Gmbh And Co. Lubricant distributor
EP2341253B8 (de) * 2010-01-05 2013-10-16 Nem S.R.L. Hydraulische Vorsteuereinrichtung
GB2514112C (en) * 2013-05-13 2016-11-30 Caterpillar Inc Valve Arrangement
CN104454742B (zh) * 2014-12-05 2016-12-07 湘电重型装备有限公司 一种大型自卸车液压楼梯控制系统
JP6475522B2 (ja) * 2015-03-13 2019-02-27 川崎重工業株式会社 油圧システム
CN106402087A (zh) * 2016-10-08 2017-02-15 苏州威尔特铝合金升降机械有限公司 桅柱式液压缸的防爆系统
IT201700096057A1 (it) * 2017-08-25 2019-02-25 Bosch Gmbh Robert Unita' valvola di ritegno comandata elettricamente
JP7254509B2 (ja) * 2018-12-27 2023-04-10 ナブテスコ株式会社 状態監視装置及び流体圧駆動装置
CN109780284B (zh) * 2019-03-06 2024-05-24 湖南农业大学 双液压缸型自力式减压阀
KR20210001268A (ko) * 2019-06-27 2021-01-06 두산인프라코어 주식회사 건설 기계
CN115667733A (zh) * 2020-05-22 2023-01-31 沃尔沃建筑设备公司 液压机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779836A (en) * 1985-02-26 1988-10-25 Bahco Hydrauto Ab Valve arrangement for controlling a pressure medium flow through a line of pressure medium
JPH03249411A (ja) * 1990-02-28 1991-11-07 Hitachi Constr Mach Co Ltd 油圧駆動装置
WO1998006949A1 (fr) * 1996-08-08 1998-02-19 Hitachi Construction Machinery Co., Ltd. Dispositif de commande hydraulique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471797A (en) * 1982-03-19 1984-09-18 Parker-Hannifin Corporation Hydraulic circuit breaker reset device
US4471806A (en) * 1982-06-14 1984-09-18 Strock Dennis J Fuel delivery system having thermal contraction compensation
US4732190A (en) * 1986-02-26 1988-03-22 Polselli James V Shut-off valve and method for using same
SE459271B (sv) * 1987-10-27 1989-06-19 Bahco Hydrauto Ab Tryckmediumventil
LU87831A1 (de) * 1990-10-31 1991-02-18 Hydrolux Sarl Einstellbares proportional-drosselventil mit rueckfuehrung
US5137254A (en) * 1991-09-03 1992-08-11 Caterpillar Inc. Pressure compensated flow amplifying poppet valve
US5645263A (en) * 1993-10-04 1997-07-08 Caterpillar Inc. Pilot valve for a flow amplyifying poppet valve
JP3249411B2 (ja) * 1996-12-03 2002-01-21 三洋電機株式会社 記録信号／再生信号処理装置および映像記録再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779836A (en) * 1985-02-26 1988-10-25 Bahco Hydrauto Ab Valve arrangement for controlling a pressure medium flow through a line of pressure medium
JPH03249411A (ja) * 1990-02-28 1991-11-07 Hitachi Constr Mach Co Ltd 油圧駆動装置
WO1998006949A1 (fr) * 1996-08-08 1998-02-19 Hitachi Construction Machinery Co., Ltd. Dispositif de commande hydraulique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 047 (M - 1208) 6 February 1992 (1992-02-06) *

Also Published As

Publication number Publication date
CN1094180C (zh) 2002-11-13
DE69931839D1 (de) 2006-07-27
JP3685923B2 (ja) 2005-08-24
KR19990083336A (ko) 1999-11-25
CN1235247A (zh) 1999-11-17
KR100294267B1 (ko) 2001-06-15
JPH11303810A (ja) 1999-11-02
EP0952358A2 (de) 1999-10-27
DE69931839T2 (de) 2006-12-07
EP0952358B1 (de) 2006-06-14
US6241212B1 (en) 2001-06-05

Similar Documents

Publication Publication Date Title
EP0952358A3 (de) Schlauchbruch- Steuerventilaggregat
US6715402B2 (en) Hydraulic control circuit for operating a split actuator mechanical mechanism
US4535809A (en) Hydraulic valve means
CA2463203A1 (en) Multiple port fluid control valves
EP1211449A3 (de) Druckwaageventil
CA2240929A1 (en) Pilot solenoid control valve and hydraulic control system using same
KR940703974A (ko) 포펫 및 스풀형 밸브를 구비한 유압 제어 시스템(hydraulic control system having poppet and spool type valves)
EP1593855A3 (de) Hydraulisches Steuerventil umfassend ein mit verbessertem Ansprechverhalten versehenes Sperrventil
CN209781327U (zh) 电液控多路阀
EP1052440A4 (de) Regulierventil
EP1146234A3 (de) Hydraulisches System mit mitwirkendem Sitzventil
US4568292A (en) Hydraulic assistance device for use in a steering system
WO2002018800A3 (en) Pilot solenoid control valve with an emergency operator
EP1167843A3 (de) Wechselventil mit verbesserten Schalteigenschaften
EP0379124A3 (de) Drehmoment erzeugende Lenkeinrichtung mit Lastfeststellungsmöglichkeit
EP1394416A3 (de) Hydraulische Pumpe mit doppeltem Auslass und System dafür
US6371150B1 (en) Flow dividing valve
EP2840260A1 (de) Hydraulikanlage
JP3534324B2 (ja) 圧力補償弁
US5331883A (en) Hydraulic valve means
WO2001012997A3 (de) Pressensicherheitsventil
CA2147477A1 (en) Hydrolic system
CN210127984U (zh) 泵控系统及具有该泵控系统的工程设备
JP2647094B2 (ja) リリーフ弁
JP2001263305A (ja) 液圧回路

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990420

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AKX Designation fees paid

Free format text: DE FR GB IT SE

17Q First examination report despatched

Effective date: 20030610

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HITACHI CONSTRUCTION MACHINERY CO., LTD.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 20060614

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69931839

Country of ref document: DE

Date of ref document: 20060727

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20070315

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20130412

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20140409

Year of fee payment: 16

Ref country code: IT

Payment date: 20140415

Year of fee payment: 16

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140421

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20150415

Year of fee payment: 17

Ref country code: DE

Payment date: 20150414

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150420

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20151231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150430

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69931839

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20160420

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160420

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161101